We are trying to deploy HA openstack for production environment (24*physical servers) , is there any recommendation to deploy it using Juju or Fuel or Ansible

We are trying to deploy HA openstack for production environment (24*physical servers) , is there any recommendation to deploy it using Juju or Fuel or Ansible in terms of:
free or not
ease of deployment
GUI or command line
support
number of nodes limitation
HA design support